Gold is everywhere - in our phones, computers, medical devices, and satellites. But getting it out of the ground or from discarded electronics usually means dealing with cyanide, mercury, and a lot of toxic waste. 



That’s been the trade-off: valuable metal at a steep environmental cost. But now, researchers at <a href="https://www.flinders.edu.au/">Flinders University</a> in Australia are showing there’s a better way.



The Flinders team, working across green chemistry, engineering, and physics, has developed a safer, more sustainable method to recover gold. 



The method works not only on <a href="https://www.earth.com/news/earths-largest-iron-ore-deposits-reveal-a-1-3-billion-year-old-secret/">ore</a>, but also on <a href="https://www.earth.com/news/electronic-waste-is-growing-five-times-faster-than-recycling/">electronic waste</a> and even scientific byproducts. Instead of relying on mercury or cyanide, the technique uses materials that are widely available and far less toxic.



<h2 class="wp-block-heading" id="h-extracting-gold-from-e-waste">Extracting gold from e-waste</h2>



At the heart of the method is trichloroisocyanuric acid - a common disinfectant used in pool and water treatment. When mixed with salt water, it becomes a powerful gold extractor. 



Once the gold is dissolved, it’s captured by a sulfur-rich polymer developed by the Flinders team. The polymer binds selectively to gold, even in complex mixtures full of other metals.



Then comes the clever part: the <a href="https://www.earth.com/news/everyday-polymers-that-are-considered-safe-release-harmful-toxins/">polymer</a> can be broken down to release the gold and be recycled for future use. This makes the entire process cleaner, safer, and more circular.



“The study featured many innovations including a new and recyclable leaching reagent derived from a compound used to disinfect water,” said Professor Justin Chalker, who leads the Chalker Lab.



“The team also developed an entirely new way to make the polymer sorbent, or the material that binds the gold after extraction into water, using light to initiate the key reaction.”



<h2 class="wp-block-heading" id="h-a-safer-option-for-small-scale-miners">A safer option for small-scale miners</h2>



The method has already been tested on a wide range of materials, including e-waste, ore concentrates, and mixed-metal scrap. And it's not just a lab experiment. The researchers are planning to scale it up, working with <a href="https://www.earth.com/news/gold-mining-causes-long-lasting-damage-in-the-amazon-rainforest/">mining</a> companies and recycling facilities to put it into real-world use.



“The aim is to provide effective gold recovery methods that support the many uses of gold, while lessening the impact on the environment and human health,” said Professor Chalker.



This is especially important in small-scale and artisanal mines around the world, where mercury is still widely used to extract gold. 



<a href="https://www.earth.com/news/mercury-pollution-in-the-amazon-is-recorded-in-tree-rings/">Mercury pollution</a> from gold mining is one of the leading sources of contamination globally. The team worked with experts in the United States and Peru to test the new method on gold ore, with the goal of offering safer alternatives to these communities.



<h2 class="wp-block-heading" id="h-gold-from-a-mound-of-e-waste">Gold from a mound of e-waste </h2>



The researchers aren’t just solving a technical problem. They’re trying to make sure the solution actually fits into real systems -economic, environmental, and social.



“We are especially grateful to our engineering, mining, and philanthropic partners for supporting translation of laboratory discoveries to larger scale demonstrations of the gold recovery techniques,” noted Professor Chalker.



Dr. Max Mann, one of the study's lead authors, highlighted the scale of the problem. “This paper shows that interdisciplinary collaborations are needed to address the world's big problems managing the growing stockpiles of e-waste.”



Dr. Thomas Nicholls noted that the newly developed gold sorbent is made using a sustainable approach in which UV light is used to make the sulfur-rich polymer. He explained that recycling the polymer after the gold has been recovered further increases the green credentials of this method.



“We dived into a mound of e-waste and climbed out with a block of gold! I hope this research inspires impactful solutions to pressing global challenges," said Dr. Harshal Patel.



<h2 class="wp-block-heading" id="h-a-path-forward-for-gold-recovery">A path forward for gold recovery</h2>



The work out of Flinders University is more than just a chemistry breakthrough. It’s a potential roadmap for how science can rethink an entire process - replacing toxic practices with something smarter, cleaner, and just as effective.



Dr. Lynn Lisboa connected the project to the bigger picture. “With the ever-growing technological and societal demand for gold, it is increasingly important to develop safe and versatile methods to purify gold from varying sources," she said.



If the new extraction method continues to succeed at larger scales, it could help rewrite how the world mines, recycles, and values one of its most sought-after elements.



The full study was published in the journal <a href="https://www.nature.com/articles/s41893-025-01586-w">Nature Sustainability</a>.



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Turning trash into treasure: Scientists are safely extracting gold from e-waste

Gold is everywhere - in our phones, computers, medical devices, and satellites. But getting it out of the ground or from discarded electronics usually means dealing with cyanide, mercury, and a lot of toxic waste. That’s been the trade-off: valuable metal at a steep environmental cost. But now, researchers at Flinders University in Australia are showing there’s a better way. The Flinders team, working across green chemistry, engineering, and physics, has developed a safer, more sustainable method to recover gold. The method works not only on ore,...

Algae is growing out of control across the United States, making people sick and even killing animals. Over the last ten years, toxic algae outbreaks have become a major environmental problem in every state, and the trend is likely to gain momentum as water temperatures rise.

In 2016, a state of emergency was declared in Florida and beaches were closed when algae blooms spread from Lake Okeechobee to surrounding streams. In Utah, over 100 people got sick after swimming in the lake, while 32 cows died from toxic algae on a ranch in Oregon. 

According to scientists, monster blooms of algae are created by excessive agricultural <a href="https://www.earth.com/news/protecting-lake-erie-from-agricultural-runoff/">fertilizer runoff</a> into warm, calm waters. Chemicals and manure are washed into streams, lakes, and oceans.

Dead zones, areas starved of oxygen due to algae decay, are 30 times more prevalent since 1960. Every summer a dead zone appears in the Gulf of Mexico, and this year’s was the largest ever measured.

"It's a big, pervasive threat that we as a society are not doing nearly enough to solve," said  <a href="https://umich.edu/">University of Michigan</a> environmental scientist Don Scavia. "If we increase the amount of toxic algae in our drinking water supply, it's going to put people's health at risk. Even if it's not toxic, people don't want to go near it. They don't want to fish in it or swim in it. That means loss of jobs and tax revenue."

Federal agencies have conducted billions of dollars worth of studies, but the findings of an analysis from the <a href="https://www.ap.org/en-us/">Associated Press</a> (AP) suggest that the research has not helped matters much. 

The AP found that the levels of algae-feeding nutrients are rising in many lakes and streams. The report also said that only a small minority of farms participate in federal programs that promote practices to reduce fertilizer runoff, and farmers are often turned away from funding because there is not enough money.

The <a href="https://www.nrcs.usda.gov/">U.S. Natural Resources Conservation Service</a> reports spending $29 million on such voluntary programs since 2009, and says that 500,000 operations have participated.

The <a href="https://www.epa.gov/">Environmental Protection Agency</a> says indirect runoff is now the biggest source of water pollution in the United States, yet the Clean Water Act of 1972 prevents the government from regulating runoff as it does not release waste directly into waterways. 

The government only asks farmers to volunteer to participate in safer practices regarding fertilizer runoff, such as planting cover crops and developing more efficient irrigation systems.

According to <a href="http://www.ufl.edu/">University of Florida</a> wetland ecologist Mark Clark, farmers are free to use excessive fertilizer to produce higher yields with no consequences in place for allowing runoff.

--

By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Toxic algae is a growing threat in the United States

Algae is growing out of control across the United States,...

Groundwater depletion may release as much <a href="https://www.earth.com/news/global-co2-emissions-rise/">carbon dioxide</a> in the atmosphere as is generated by aluminum, glass, and zinc production in the United States. 

According to a new study, groundwater depletion should rank on the Environmental Protection Agency’s list of the top twenty sources of carbon emissions.

The research was conducted by researchers from <a href="https://msu.edu/">Michigan State University in East Lansing</a> and shows that increased use of groundwater reserves and aquifers could be releasing almost 2 million metric tons of carbon dioxide every year.

Even though those numbers don’t come close to other emissions sources, like fossil fuels, it is still a cause for concern. 

Carbon dioxide levels in the soil are one hundred times greater than carbon dioxide levels in the atmosphere. Both soil and rain contain carbon dioxide, and when rainwater absorbs through the soil, it only adds more carbon to the mix. 

This is why groundwater is such a rich source of carbon dioxide, and because humans are drawing from groundwater wells and aquifers faster than they are being replenished, more carbon is being released into the atmosphere. 

For the study, the researchers analyzed groundwater depletion and carbon chemistry data that was collected by the U.S Geological Survey. The data was used to determine how much carbon dioxide is released into the atmosphere from groundwater annually. 

In the United States, around 9.7 square miles of groundwater is depleted every year, which results in 2.4 million metric tons of bicarbonate released into the atmosphere. The researchers then divided that number in half to estimate how much is converted into atmospheric carbon dioxide. 

In the US alone, groundwater depletion releases 1,7 million metric tons of carbon dioxide into the atmosphere each year.

Projecting how much carbon dioxide is released into the atmosphere every year globally is difficult because there is not as much consistent data to make those estimates. However, the researchers say that around 9.7 to 13.5 million metric tons of carbon dioxide is released into the atmosphere worldwide. 

The study provides yet another source of carbon dioxide to factor into future climate change research. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com </a>Staff Writer

Groundwater depletion increases carbon dioxide in the atmosphere

Groundwater depletion may release as much carbon dioxide in the...

Scientists have found that <a href="https://www.earth.com/news/worlds-tap-water-contains-plastics/">microplastics</a> are infiltrating the Pacific Ocean at its farthest depths. An unprecedented study has revealed that crustaceans living nearly seven miles deep in the ocean are ingesting plastic fibers.

The study was led by Dr. Alan Jamieson from <a href="http://www.ncl.ac.uk/">Newcastle University</a>. 

“These observations are the deepest possible record of microplastic occurrence and ingestion, indicating it is highly likely there are no marine ecosystems left that are not impacted by anthropogenic debris,” said Dr. Jamieson.

Using deep-sea landers, the researchers collected samples from 90 crustaceans in trenches that span the entire Pacific Ocean. These included the New Hebrides, Mariana, Japan, and Kermadec trenches. The deepest region is the bottom of the Mariana Trench, which is 6.7 miles down. 

“The deep sea is not only the ultimate sink for any material that descends from the surface, but it is also inhabited by organisms well adapted to a low-food environment and these will often eat just about anything,” said Dr. Jamieson. “This study has shown that manmade microfibers are culminating and accumulating in an ecosystem inhabited by species we poorly understand.”

The study revealed that every crustacean sampled from the Mariana Trench had ingested plastic fragments including polyethylene, polyvinyls, and nylon. At least 50 percent of sea creatures had swallowed microplastics in the other trenches as well.

Dr. Jamieson explained, “This type of work requires a great deal of contamination control but there were instances where the fibers could actually be seen in the stomach contents as they were being removed.”

“We felt we had to do this study given the unique access we have to some of the most remote places on earth, and we are using these samples to make a poignant statement about mankind's legacy,” said Dr. Jamieson.

--

By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>,<a href="https://www.earth.com/staff/"> Earth.com</a> Staff Writer

Crustaceans ingesting plastic at the deepest depths of the ocean

Scientists have found that microplastics are infiltrating the Pacific Ocean...

For years, the Chinese manufacturing sector received criticism and blame for its impact on the environment, polluting rivers and releasing massive amounts of greenhouse gas emissions. Since then, China has made a concerted effort to clean up its act. 2017 will mark its fourth consecutive year of zero growth or a decline in <a href="https://www.earth.com/news/sulfur-dioxide-emissions-china/">emissions</a>.

What is less known are the effects that climate change will have on the manufacturing industry, not only for the workers in factory environments, but also on factory machinery and technology. 

A new study conducted by researchers from the <a href="https://www.ucsb.edu/">University of California, Santa Barbara </a>has found that that climate change will lower output for the manufacturing sector in China. 

The researchers note that previous studies often revolved around productivity as it related to employees in the manufacturing sector. A rise in global temperatures will make for hostile working conditions in many manufacturing plants.

“Previous work has largely focused on how climate change may affect economic activity by lowering the productivity of workers,” said Kyle Meng, co-author. “It is well documented that when it's hot, people work less productively.”

For this study, the researchers focused on the effects that climate change and warming temperatures will have on machinery as well as workers, showing that warm temperatures will also put a strain on the factory machinery and technology, which reduces efficiency. 

For the study, the researchers analyzed production data from a half-million Chinese manufacturing plants from 1998 to 2007. 

The research team then estimated how temperatures might impact productivity and output. 

The results of the study show that climate change could reduce manufacturing output in China by 12 percent annually, which is equal to about 40 billion dollars. 

Twelve percent might not seem like much, but considering that China’s manufacturing sector produces 32 percent of the national GDP and supplies twelve percent of the world’s imports, those numbers will have a significant impact on the global economy. 

According to the results, even in high-tech industries where temperatures are controlled in manufacturing plants, climate change would still have an impact. 

For the study, the researchers classify high-tech industries as those that make medical supplies or computer equipment. 

“We typically think of these sectors as being capital intensive with indoor production facilities that tend to operate with air conditioning,” said Olivier Deschenes, a co-author of the study. “We find that these industries are just as sensitive to extreme temperature as low-tech industries.” 

The study shows the importance of factoring in all aspects of the manufacturing sector, including machinery, when looking at ways to mitigate the effects of climate change. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vanette,</a> <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Climate change will hurt Chinese manufacturing

For years, the Chinese manufacturing sector received criticism and blame...

While research shows us that our environment is undoubtedly being <a href="https://www.earth.com/news/humans-driving-climate-change/">damaged</a> by human activities, scientists remind us that our planet can still be restored. Books on the environment give readers a better perspective on what issues we are up against and what can be done to resolve these issues. The following are the top ten best books on the environment.

&nbsp;

The Water Will Come

This book explores how millions of people will be displaced as climate change - which brings with it rising sea levels and extreme weather events - moves water inland. Author Jeff Goodell blames fossil fuels, and warns that we must quit burning them.

&nbsp;

Silent Spring

Author Rachel Carson describes the harmful effects of pesticides and gathers expert opinions to support her cause. Carson says that the best way to move forward is to use biological controls rather than chemical methods whenever possible.

&nbsp;

Mycelium Running: How Mushrooms Can Help Save the World

Mushroom expert Paul Stamets explains how growing more mushrooms may be the best thing that we could do to save the environment. His book gives an unprecedented look at how we could use natural resources to rescue our planet.

&nbsp;

Lab Girl

Geochemist and paleo geobiologist Hope Jahren documents her personal and professional life in this critically acclaimed autobiography. The story delves into the secret life of plants and into the everyday life of a scientist.

&nbsp;

The Sixth Extinction: An Unnatural History

Elizabeth Kolbert describes previous mass extinction events and compares them to the state of Earth today, arguing that we are in the midst of the sixth known mass extinction which has been caused by human activities.

&nbsp;

The World Without Us

Alan Weisman explores what the fate of our planet may be if humans no longer influenced it. He draws from the expertise of scientists and other experts to illustrate a world where humans no longer exist.

&nbsp;

The Lorax

Published as a children's book in 1971, The Lorax portrays the devastating impacts of industry on the environment. It was Dr. Seus’ favorite of his stories because he was able to address economic and environmental issues in a way that was entertaining.

&nbsp;

The Death And Life Of The Great Lakes

Dan Egan focuses on the unique ecosystems of the Great Lakes and the threat of invasive species and other challenges. Egan suggests that the lakes should be given time to recover by cutting off commercial shipping routes.

&nbsp;

A Sand County Almanac

Considered a milestone in the American conservation movement, this book is still a powerful force almost 70 years after it was published. American ecologist, forester, and environmentalist Aldo Leopold writes a collection of essays to communicate his idea of a"land ethic,” or the responsibility that people have to the land they inhabit.

&nbsp;

Biomimicry: Innovation Inspired by Nature

Janine M. Benyus shows us how scientists are mimicking nature's best ideas and adapting them to solve some major challenges for the benefit of humans. Scientists are developing strategies based on naturally occurring phenomenon so that we can learn how to better heal ourselves and our planet.

--

By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

The top 10 books about the environment

While research shows us that our environment is undoubtedly being...

Researchers have created the most precise geothermal heat map of the Antarctic to date that may explain the source of ice shelf melting.

Trying to map the “geothermal heat flux,” or geothermal heat rising, to the Antarctic ice sheet has been difficult in the past because of the hostile conditions in the area and the thickness of the ice itself. The ice sheet measures a little over two miles in some places.

But now, researchers from the <a href="https://www.bas.ac.uk/">British Antarctic Survey</a> have created an accurate and detailed graphic of the geothermal heat flux in the area using magnetic measurements.  

This heat map correlates with another recent study that found evidence of an ancient heat source deep below the <a href="https://www.earth.com/news/antarctic-glacier-melting/">West Antarctic Ice Sheet</a>. 

The researchers used magnetic measurements to create a map that is 30 to 50 percent more accurate than any previous heat maps of the area.

[caption id="attachment_962304" align="aligncenter" width="286"]<a href="https://www.earth.com/wp-content/uploads/2017/11/Heat-flux-map.jpg"><img class="size-medium wp-image-962304" src="https://www.earth.com/wp-content/uploads/2017/11/Heat-flux-map-286x300.jpg" alt="" width="286" height="300" /></a> Image Credit: British Antarctic Survey[/caption]

Geothermal heat, which can also be a <a href="https://www.earth.com/news/game-changing-invention-converts-both-co2-and-plastic-waste-into-renewable-energy/" target="_blank" rel="noopener">sustainable energy source</a>, is important to factor in when examining ice sheets and melting. This is especially true when predicting how climate change will impact those areas in the Antarctic and Arctic where melting will cause sea level rise.  

“How the ice sheet will respond to these recent changes is influenced by the pattern of geothermal heat, and that’s why this new map is so important,” said David Vaughan, a British Antarctic Survey glaciologist in a written statement.

Recently, scientists discovered new evidence that a mantle plume underneath the West Antarctic ice sheet is causing melting beneath the ice.

The possibility of a mantle plume beneath the Antarctic is not new, but now researchers have a better understanding of the inner workings of the plume and its activity below the ice sheet. 

Both the plume study and the new geothermal map will help researchers make better predictions about melting and the effects of climate change on the ice sheet. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

New map shows heat from deep Earth melting Antarctica

Researchers have created the most precise geothermal heat map of...

OLYMPUS DIGITAL CAMERA

Don Juan Pond in Antarctica is one of the saltiest bodies of water on Earth, but its water source has long been a mystery to scientists.

It is called a pond, but it actually measures about 300 by 900 feet and ranges only about four inches deep. 

Don Juan Pond consists of a salty brine that is rich in calcium chloride. This salty mixture keeps the pond from freezing, even with temperatures at -50 degrees Fahrenheit. 

Scientists have been unsure about where the source of this salty liquid originates, but new research has revealed the pond is actually fed from underneath.

What’s even more exciting is that water in the pond could be similar to water on Mars.

A new study from the <a href="https://www.washington.edu/">University of Washington </a>has found that Don Juan Pond’s water source likely comes from a deep groundwater system. The finding contradicts an earlier hypothesis that theorized the water came from moisture from local valley slopes.

“Don Juan Pond is probably one of the most interesting ponds on Earth,” said Jonathan Toner, the lead author of the study. “After 60 years of extensive study, we still don't really know exactly where it's coming from, what drives the fact that it's visible on the surface, and how it's changing.”

For the study, Toner developed a model to compute how salty water, like that in Don Juan Pond, changes during evaporation and freezing. Toner put different salt and water ratios into the model to create different inputs and equations.

Toner then created two different situations for his model. In one, the water was fed from beneath, and in another, the pond was fed from runoff or near-surface seeps.

Toner discovered that deep groundwater was the only source that produced a similar chemical makeup to the liquid in Don Juan Pond. 

"You couldn't get Don Juan Pond from these shallow groundwaters," Toner said. "It's definitely coming from the deep groundwater." 

Toner also discusses how important the Don Juan Pond is in relation to future <a href="https://www.earth.com/news/planets-earth-mars-created/">Mars</a> explorations. The location and contents of the Don Juan Pond are very similar to what conditions are like on Mars now. 

“If there is water on Mars, it's probably going to look a lot like this pond,” Toner said. “Understanding how it formed has large implications for where would you expect to find similar environments on Mars.”

Toner is part of a team sponsored by NASA that will explore the pond and the nearby slopes within a larger context of furthering Mars research. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Image Credit: Pierre Roudier/Flickr

Salty pond in Antarctica could hold clues about water on Mars

Don Juan Pond in Antarctica is one of the saltiest...

A new forecasting tool will let scientists know which cities are at risk of flooding as glacial land ice melts. Developed by scientists at <a href="https://www.jpl.nasa.gov/">NASA's Jet Propulsion Laboratory</a> in California, the model also gives experts insight into which ice sheets are of the most concern.

The tool, which predicts how water will be “redistributed" as land ice melts, can inform cities of which particular <a href="https://www.earth.com/news/iceberg-a-68/">ice sheets</a>, ice caps, and glaciers will impact sea level rise in their region.

Dr. Eric Larour, who has worked in the Jet Propulsion Laboratory since 2005, is the project’s lead developer. 

Dr. Larour told <a href="http://www.bbc.com/news">BBC News</a>, "We can compute the exact sensitivity - for a specific town - of a sea level to every ice mass in the world. This gives you an idea, for your own city, of which glaciers, ice sheets and ice caps are of specific importance."

Dr. Larour explained that the tool diagnoses the sea level rise by examining its three major contributors, the first of which is gravity. 

Dr. Larour said that ice sheets “are huge masses that exert an attraction on the ocean. When the ice shrinks, that attraction diminishes- and the sea will move away from that mass." In addition, land that has been compressed underneath the weight of the ice expands vertically.

The third major influence on the pattern of sea level change is the Earth’s rotation.

"You can think of the Earth as a spinning top," said Dr Larour. "As it spins it wobbles and as masses on its surface change, that wobble also changes. That, in turn, redistributes water around the Earth."

The researchers found that sea level rise caused by changes in the northern and eastern regions of the Greenland ice sheet will directly impact New York, while London may be significantly affected by the ice sheet’s northwestern region. Sea level pattern changes in Sidney will be heavily influenced by melting ice sheets along the northeast and northwest coastline of Antarctica, according to the study.

"As cities and countries attempt to build plans to mitigate flooding, they have to be thinking about 100 years in the future and they want to assess risk in the same way that insurance companies do,” said senior scientist Dr. Erik Ivins.

The findings of the study are published in <a href="http://advances.sciencemag.org/?utm_source=gophotonics">Science Advances</a>.

--

By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

New tool predicts which cities are at risk as sea levels rise

A new forecasting tool will let scientists know which cities...

According to a new study, <a href="https://www.earth.com/news/humans-driving-climate-change/">climate change</a> could cause 50 to 80 percent of marine species in the Pacific Islands Nations to either die off or migrate away from their native habitat by the end of the 21st century.

The study was conducted by the <a href="http://www.nereusprogram.org/">Nippon Foundation-Nereus Program</a> and revealed that many species in the Pacific Islands region are in danger of being wiped out if serious efforts to combat climate change are not put in place. 

“Under climate change, the Pacific Islands region is projected to become warmer, less oxygenated, more acidic, and have lower production of plankton that form the base of oceanic food webs," said Rebecca Asch, the study’s lead author. 

Marine wildlife in the region are ill-equipped to adapt to a changing climate as area is the warmest in the entire global ocean and there is very little seasonal change.

Species in the Pacific Islands are not used to any major temperature changes, which is why climate change could have more of a severe impact. 

“Since no organisms living in the ocean today would have time to adapt to these warmer conditions, many will either go extinct or migrate away from the western Pacific, leaving this area with much lower biodiversity,” said Gabriel Reygondeau, one of the co-authors. 

For the study, the researchers examined more than 1,000 species from both reef and open-water habitats, and specifically noted how the different populations would be affected by warming waters. 

The team discovered that both open water and reef habitats would lose biodiversity, but those species who live in open water would undergo higher rates of decline. 

The results are bleak, especially because Pacific Islanders depend on marine species for not only food but also for economic opportunities.

However, the researchers note that if mitigation efforts to combat climate change are put in place, the Pacific Island region will not lose nearly as many marine species. 

“One hopeful point is that the extent of these changes in biodiversity and fisheries was dramatically reduced under a climate change scenario where greenhouse gas emissions were close to what would be needed for achieving the Paris Climate Agreement,” said William Cheung, co-author and the Nereus Director of Science. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Pacific Islands in danger of losing over half of local fish

According to a new study, climate change could cause 50...

After a historic and devastating <a href="https://www.earth.com/news/2017-atlantic-hurricane-season/">hurricane season</a>, and mounting evidence that human-driven climate change is causing more severe storms, many coastal residents are left fearing what the future holds. 

One of the impacts of climate change already taking place is a shift in Earth’s climatic zones toward the poles, where dry arid regions are expanding into higher latitudes and rainy regions are moving poleward.

As the global temperatures rise, it will further drive these shifts, which will also affect storm tracks.

Now, a new study from the <a href="http://www.weizmann.ac.il/pages/">Weizmann Institute of Science</a> reveals how a warmer climate changes these storm paths and pushes mid-latitude storms toward the poles. 

The study involved a unique tracking and monitoring system that examined storm progressions and movement.

The climatic zones on Earth typically follow its latitudinal bands, and storm tracks are the regions within these zones where storms are most likely to develop. Storms often start over the ocean and travel east heading slightly toward the poles. 

Researchers aimed to find out why storm tracks followed this poleward direction and also how storm patterns would be affected by climate change. 

For the study, Dr. Talia Tamarin applied a storm-tracking algorithm to atmospheric circulation models. The models generated thousands of storms and the researchers were able to analyze the different storm’s movements and how they developed. 

The results showed that a storm’s natural tendency to move toward the poles intensifies in warmer conditions. The researchers found two processes were responsible for this shift. 

First, a certain type of circulation at the top of the weather system steers the storm toward the pole. As temperatures rise, these steering airflows will grow stronger and shift the storm further to the pole. 

The second process involves the water vapor in storms. Warmer temperatures will cause more water vapor, and more energy will be released when the vapor turns to precipitation. 

“The hottest, wettest air is circulating up the eastern flank of the storm - to the northern side - and releasing energy there,”  said Tamarin.  “This process pushes the storm northward (or southward in the southern hemisphere), and this effect will also be stronger in a warmer climate.”

The researchers predict that if global temperatures rise by four degrees, this will cause storms to move as much two degrees toward the poles. 

“Although two degrees may not sound like a lot, the resulting deviation in temperature and rain patterns will have a significant effect on climate zones,” said Professor Yohai Kaspi from Weizmann Institute's Earth and Planetary Sciences Department. 

The research not only explains what causes storms to migrate toward the poles, but also shows that in a warming climate, this shift will become more drastic. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com </a>Staff Writer

How storm paths will be altered by a changing climate

After a historic and devastating hurricane season, and mounting evidence...

Anyone who lives near any of the five Great Lakes might be familiar with the term “lake-effect snowstorm,” a special kind of blizzard that can batter residents with whiteout conditions and heavy snowfall. 

Now, new research from the <a href="https://www.nsf.gov/">National Science Foundation</a> (NSF) has found that the shape of Lake Ontario increases the severity of lake-effect snowstorms.

The research was conducted by a team of scientists who monitored lake-effect storms in rural Tug Hill, a region in upstate New York close to Lake Ontario that gets around 20 feet of snow a year. 

Lake-effect snow is caused by air circulation, moisture, and the temperature of the lake. When cold air moves over relatively warm water, the moisture from the lake intensifies the <a href="https://www.earth.com/news/accurately-measure-snowfall-new/">snowstorm</a>. 

Researchers who studied Tug Hill found that the specific shape of the Lake Ontario’s shoreline is a factor in how and where the cold air circulates over the lake. 

The research was part of a project called Winter Lake-Effect Systems and was funded by the <a href="https://www.nsf.gov/">National Science Foundation</a>.  

"Lake Ontario's east-west orientation allows intense bands of snow to form," explained Ed Bensman, program director at the NSF Division of Atmospheric and Geospace Sciences. "This study found that the shape of the lake's shoreline can have an important influence on the low-level winds that lead to bands of snow for long periods of time -- and to heavy snow totals. The research team analyzed the strength of these snow bands, and their formation and persistence. Snow bands were often active for several days."

The researchers hope their findings can help better inform weather forecasts for those areas most affected by lake-effect storms. 

“If we want to pinpoint where the lake-effect is going to be, we're going to have to do a very good job of simulating what's happening along these coastal areas,” said Jim Steenburgh, another member of the research team.

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By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

The shape of Lake Ontario makes snowstorms worse

Anyone who lives near any of the five Great Lakes...

The A-68 Iceberg, which is roughly the size of Delaware, is now drifting away from the Larsen C Ice Shelf after it <a href="https://www.earth.com/news/iceberg-shipping-lanes/">broke off</a> in July.

Earlier this year, it was discovered that a vast 2,240 square mile iceberg had calved from the Larsen C Ice Shelf in the Antarctic. 

Named A-68, it is the third largest iceberg ever recorded. There is now concern that A-68 could break up into smaller pieces and disrupt shipping lanes, so the iceberg has been closely monitored. 

So far, researchers have measured a 3-mile gap of open ocean between the iceberg and the ice shelf. 

Calving is a common occurrence, but because of the sheer size of A-68, experts are concerned that the Larsen C Ice shelf is deteriorating and may even collapse. 

If the ice shelf does break apart completely, it could cause an additional four inches of sea-level rise. 

Since A-68 was first discovered, researchers have depended on satellite imagery to monitor the split. Recently, a <a href="https://www.nasa.gov/">NASA</a> team successfully flew over the iceberg and captured new images and data.  

“A-68 is so expansive it appears if it were still part of the ice shelf,” said Kathryn Hansen, one of the researchers on the flight. “But if you look far into the distance you can see a thin line of water between the iceberg and where the new front of the shelf begins.” 

It’s the first time scientists were able to get this close of a look at A-68. The purpose of the flight, which was part of the<a href="https://www.nasa.gov/mission_pages/icebridge/index.html"> NASA IceBridge program</a>, was to get a better idea of the bedrock and bathymetry below the Larsen C Ice Shelf. 

Scientists say that even though the calving that caused A-68 was unprecedented, it was not caused by global warming. However, this does not mean that researchers aren’t concerned about climate change’s impact on future cracks and calving events on Antarctic ice shelves. 

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By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Image Credit: <a href="https://twitter.com/NASA_ICE">NASA Operation IceBridge</a>

Stunning new image of giant, Delaware-sized iceberg A-68

The A-68 Iceberg, which is roughly the size of Delaware,...

Scientists are transforming chocolate into a functional food by infusing it with probiotics and prebiotics, aiming to create a treat that satisfies cravings while supporting gut health. 



The challenge lies in maintaining chocolate's beloved texture and flavor while adding health benefits.



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Probiotics - beneficial microbes that balance gut bacteria and aid digestion - are typically fragile and can be destroyed by stomach acid or processing. 



Prebiotics act as food for these microbes, helping them thrive. Together, they form "synbiotics," a powerful health combination.



Researchers Smriti Gaur and Shubhi Singh from India's Jaypee Institute of Information Technology took an innovative approach, using natural prebiotics like corn and honey instead of complex processing methods. 



They created five chocolate varieties: a control and four synbiotic versions containing different combinations of prebiotics, probiotics (Lactobacillus strains), and flavor enhancers (cinnamon or orange).



Laboratory simulations of human digestion showed the probiotics remained viable for over five hours, suggesting they could survive long enough to benefit gut health.



Taste tests were positive, with researchers particularly enjoying the orange-flavored variety, describing it as having "vibrant citrus notes" complementing the "rich cocoa" with a "luxurious" texture.



This research represents just the beginning. With further refinement of strains, textures, and flavors, chocolate could evolve beyond mere indulgence to become a functional food that nourishes while it delights.



The study is published in the journal <a href="https://pubs.acs.org/doi/10.1021/acsfoodscitech.4c00741" target="_blank" rel="noreferrer noopener">ACS Food Science &amp; Technology</a>.

Is chocolate the next nutritional powerhouse?

Scientists are transforming chocolate into a functional food by infusing...

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Today’s Video of the Day from <a href="https://www.igb.illinois.edu/">Carl R. Woese Institute for Genomic Biology</a> reveals how scientists can modify common crops like soybean, rice, and wheat to protect them from heat stress.



“We need to double crop production by 2050 to feed a growing global population, and not only are we not on track to do that, but climate change is further complicating things,” said Amanda Cavanagh, a lecturer at the University of Essex. 



The study is part of Realizing Increased Photosynthetic Efficiency (RIPE), an international research project that aims to develop food crops that turn the sun’s energy into food more efficiently.



“Using an engineering approach we designed multiple alternative metabolic pathways to photorespiration. Testing them in the field showed increases in productivity which led Amanda to significantly move the project forward by showing our engineered plants can withstand pretty extreme temperature stress,” said study co-author and RIPE researcher Paul South.&nbsp;



“As the climate changes and temperature stresses increase the pressure on our global food supply, farmers will need every tool available including engineering approaches like the synthetic biology used here to maintain safe and productive harvests.”



The experts tested plants modified to have more efficient photorespiration to see if they were better adapted to warmer temperatures.&nbsp;



The team found that the engineered plants produced 26 percent more biomass than the wild-type plants exposed to the same temperatures, and had 15 percent less yield loss under the higher temperatures.



Video Credit: Amanda Nguyen/University of Illinois



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Designing crops that can beat the heat

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes the first comprehensive estimate of carbon density in the Saharan, Sahel, and Sudanian zones of Africa. In an effort to measure the amount of carbon stored across these drylands, a team of scientists used high-resolution satellite images and artificial intelligence to map nearly 10 billion individual trees. 



"The high spatial resolution (50 cm) combined with AI and field measurements used in this study is key to improving tree inventories in drylands," said Pierre Hiernaux, a French researcher working for NASA. "The ever-increasing availability of very high-resolution satellite imagery will make it possible to assess carbon pools and their dynamics at the individual tree level on a global scale."



"This study is exceptional because it is pioneering a type of approach that will revolutionize the monitoring of trees and forests on a global scale: in the short term, it will be possible to map the world's trees from the centre of the Amazon to our schoolyards," said <a href="https://www.inrae.fr/en">INRAE</a> researcher Jean-Pierre Wigneron.



"Many fields of application will become much more efficient and accurate, such as tracking carbon stocks, biodiversity, monitoring logging and protection against illegal forest degradation, in near real time.”



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Remote sensing will revolutionize the way we monitor trees

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Lesotho: Africa's "Kingdom in the Sky" Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features northwest Lesotho in South Africa.



According to ESA, Lesotho is the only nation in the world that lies completely above 1,000 m in elevation. The country is famous for its tall mountains and narrow valleys, and is known as Africa's "Kingdom in the Sky."



Out of a population of around two million people, about 80 percent live in rural areas. More than 75 percent of these people are engaged in <a href="https://www.earth.com/news/climate-change-will-have-a-global-impact-on-agriculture/">agriculture</a>, including rainfed cereal production and animal grazing.&nbsp;



ESA reports that the country’s agricultural system faces a growing number of issues, with climate-related vulnerabilities such as drought, floods and extreme temperatures occurring more frequently. 



Diamonds are amongst the minerals found in the mountains. Indeed, Lesotho can truly be called the Kingdom in the Sky. Beautiful, culturally rich, safe, affordable, and easily accessible from Durban and Johannesburg, mountainous Lesotho is a vastly underrated travel destination. the Kingdom of Lesotho (Sotho: 'Muso oa Lesotho) is an enclaved country in southern Africa. It is just over 30,000 km2 (11,583 sq mi) in size and has a population of around 2 million.



Video Credit: ESA&nbsp;&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer 



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Lesotho: Africa's "Kingdom in the Sky"

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> features a visual dataset of.methane emissions from wetlands across the globe. Atmospheric methane levels have reached record highs in recent years, and wetlands are a major source of these emissions.&nbsp;



"Methane is an important greenhouse gas that contributes substantially to global warming. On a molecule by molecule basis, methane is much more efficient at trapping heat than carbon dioxide, the main driver of warming," says NASA.



"Though human activities, including agriculture, oil and natural gas production and use, and waste disposal, collectively contribute the majority of methane to the atmosphere, about a third of total methane emissions comes from wetlands."&nbsp;



According to NASA, understanding methane emissions from wetlands and other natural sources is critically important for scientists and policymakers who are working to combat climate change by reducing emissions from human activities.



Video Credit: NASA Goddard



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Wetlands are a major source of methane emissions

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Today’s Video of the Day from <a href="https://earthobservatory.nasa.gov/">NASA Earth Observatory</a> reveals the evolution of the Columbia Glacier in southeastern Alaska. Columbia is among the fastest shrinking glaciers in the world, and the video documents its rapid retreat over the years.&nbsp;



Columbia Glacier is a large, multi-branched calving glacier that flows out of the Chugach Mountains to the Prince William Sound.&nbsp;



According to USGS, Columbia had a long history of stability prior to 1980, with a length 41 miles, and small, short-lived advances or retreats.



In the years since 1980, however, satellite images have captured Columbia’s alarming retreat. By using false-color images, scientists can distinguish between snow and ice, open water, vegetation, and rocky debris on the glacier’s surface.



The series of false-color images featured in today's video were acquired over the span of 35 years. You can see that by 2021, the glacier’s main branch had retreated about 15 miles from its initial position.



The Columbia Glacier has also lost more than 50 percent of its volume, mostly due to calving. <a href="https://www.earth.com/video/nasa-reveals-3d-visual-of-an-atmospheric-river/">NASA</a> reports that while climate change likely started the retreat, mechanical processes kept the disintegration going.



The NASA images are provided by Jesse Allen, Robert Simmon, Joshua Stevens, and Lauren Dauphin using data from Landsat satellites, from the U.S. Geological Survey, and data from MODIS on NASA’s Terra satellite. The structure of Columbia’s moraine played a large role in the stability of the glacier before 1980. 



Like other tidewater glaciers, the Columbia built up a moraine over time, and the mixture of ice and rock functioned like a dam keeping out the sea. It was supported on one end by the shoreline and by the underwater terminal moraine at the other.



Video Credit: NASA Earth Observatory/&nbsp; NASA’s Scientific Visualization Studio



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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The rapid retreat of the Columbia Glacier

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes how record-breaking heat expressed itself around the world in 2022.



Scientists have determined that 2022 was the 5th warmest year since 1880. Furthermore, the last nine consecutive years have been the warmest on record.



From devastating floods and wildfires to natural disasters like Hurricane Ian, 2022 showed us yet again how a warming climate affects people across the globe.&nbsp;



"As we look back at 20:22 and years past, we see that each year we better understand the challenges we face and how important it is to meet them," says NASA.



Video/ Image Credit: NASA Goddard



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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2022 illustrated the consequences of a warming climate

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Satellites reveal how Earth's systems are interconnected Today’s Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes Earth’s interconnected systems, and how this network is affected by rising temperatures.&nbsp;



During 2020, average global temperatures matched the hottest year on record. The hurricane season was also record-breaking, with many of the storms intensifying at extraordinary speeds. Hot water in the ocean is fuel for hurricanes. The satellite data shows that it's all one interconnected system showing how Satellites reveal how Earth's systems are interconnected.



According to NASA, dust swept up from Northern Africa plays a major role in the formation of hurricanes, and is also a key source of fertilization in the Amazon rainforest. As a result of<a href="https://www.earth.com/news/seagrass-wasting-disease-is-fueled-by-climate-change/"> climate</a> change, dust plumes are expected to decline, which will have an effect on vegetation far away.&nbsp;



Images from Earth-observing satellites show how the world’s plant life is affected by natural disasters, fires, and deforestation. Satellites also reveal how widespread changes in vegetation impact waterways,&nbsp; the climate, air quality. Satellites communicate by using radio waves to send signals to the antennas on the Earth. "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. 



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Satellites reveal how Earth's systems are interconnected

[sendtonews key="JbW4VsY53O-1632195-12187" type="single"] Satellites reveal how Earth's systems are interconnected...

Today’s Video of the Day from the <a href="https://welcome.miami.edu/">University of Miami</a> Rosenstiel School of Marine and Atmospheric Science explores how changes in water temperatures have affected tiger shark habitats and movements in the North Atlantic Ocean. The study reveals that rising temperatures have caused the sharks to shift toward the poles over the past 40 years.



“Tiger shark annual migrations have expanded poleward, paralleling rising water temperatures,” explained study lead author Neil Hammerschlag. “These results have consequences for tiger shark conservation, since shifts in their movements outside of marine protected areas may leave them more vulnerable to commercial fishing.”



The researchers analyzed nine years of tracking data from satellite-tagged tiger sharks, combined with four decades of conventional tag and recapture data provided by National Oceanic and Atmospheric Administration (NOAA) Cooperative Shark Tagging Program.



The experts found that during the last decade of record heat, for every one-degree Celsius increase in water temperatures, tiger sharks migrated further poleward by over 400 kilometers. They also migrated two weeks earlier than usual to waters off the northeastern coast of the United States.



“Given their role as apex predators, these changes to tiger shark movements may alter predator-prey interactions, leading to ecological imbalances, and more frequent encounters with humans,” concluded Professor Hammerschlag.



Video Credit: University of Miami Rosenstiel School of Marine and Atmospheric Science



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Tiger sharks are shifting poleward as temperatures rise

Today’s Video of the Day from the University of Miami...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> is focused on the melt ponds that emerge during the spring and summer on the Greenland Ice Sheet, which is the largest ice mass in the northern hemisphere.



"Melt ponds are vast pools of open water that form on both sea ice and ice sheets and are visible as turquoise-blue pools of water in this Copernicus Sentinel-2 image," says ESA.



"When snow and ice melts atop glaciers, water flows in channels and streams and collects in depressions on the surface. These melt ponds can speed up the melting of the surrounding ice since they greatly reduce the ice’s ability to reflect sunlight."



"This can create a positive feedback where an increasing number of melt ponds absorb more heat which causes ice cover to melt even faster."



According to ESA, Greenland has been hit with a late-season heatwave that began in early September. This caused the type of melt event that usually occurs in the middle of summer.



"In a recent paper published in Nature Climate Change, scientists found that major sea-level rise from the melting of the Greenland ice cap is now ‘inevitable’ even if the burning of fossil fuels were to halt overnight," says ESA. "Using satellite observations of Greenland ice loss and ice cap from 2000 to 2019, the team found the losses will lead to a minimum rise of 27 cm regardless of climate change."



Video Credit: ESA&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Melt ponds on the Greenland Ice Sheet

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes how Earth is unique in our solar system for its ability to sustain liquid water on its surface. But now, the water cycle is shifting as the climate warms, and scientists must find ways to predict how these changes will affect water availability.



Overall, 96 percent of Earth's water is saltwater, and nearly all of freshwater is found in ice and groundwater. These sources of water are linked as it passes through solid, liquid and gas phases.



In a warmer climate, the water cycle will be transformed. It will be easier for water to evaporate and form clouds, and storms will become more frequent and intense. Some regions will get too much water, while others will be left without enough water. In addition, soil moisture will be lost - which threatens food security.



Scientists are using satellite data from over the last 40 years to track changes that are happening in the water cycle. This will ultimately help us prepare for extreme events and better manage our water resources, according to ESA.



Video Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Tracking changes in Earth's water cycle

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard Space Flight Center</a> features images of Saturn from NASA’s Hubble Space Telescope. The photographs capture the start of the mysterious "spoke season" on Saturn - when unexplained features appear on its rings. 



According to NASA, both the cause of the spokes and their seasonal variability have yet to be fully explained by planetary scientists.



"Like Earth, Saturn is tilted on its axis and therefore has four seasons, though because of Saturn's much larger orbit, each season lasts approximately seven Earth years. Equinox occurs when the rings are tilted edge-on to the Sun," explains NASA.



"The spokes disappear when it is near summer or winter solstice on Saturn. (When the Sun appears to reach either its highest or lowest latitude in the northern or southern hemisphere of a planet.) As the autumnal equinox of Saturn's northern hemisphere on May 6, 2025, draws near, the spokes are expected to become increasingly prominent and observable."



Experts believe that the spokes may be a product of the planet's variable magnetic field. When magnetic fields interact with solar wind, an electrically charged environment is created. This phenomenon is visible on Earth as the northern lights.&nbsp;



"Scientists think that the smallest, dust-sized icy ring particles can become charged as well, which temporarily levitates those particles above the rest of the larger icy particles and boulders in the rings," says NASA.



The spokes were first observed in the early 1980s by NASA's Voyager mission. Depending on the angle of the rings, the spokes can appear dark or light.



"Thanks to Hubble's OPAL program, which is building an archive of data on the outer solar system planets, we will have longer dedicated time to study Saturn’s spokes this season than ever before," said NASA senior planetary scientist Amy Simon, head of the Hubble Outer Planet Atmospheres Legacy (OPAL) program.



"Despite years of excellent observations by the Cassini mission, the precise beginning and duration of the spoke season is still unpredictable, rather like predicting the first storm during hurricane season."



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Mysterious "spoke season" captured on Saturn

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Closeup,Of,Fresh,Green,The,Napier,Bush,Grass,As,Animal

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Today’s Video of the Day from <a href="http://www.ntu.edu.sg/">NTU Singapore</a> reveals that some plants can remove toxic heavy metals from soil.&nbsp;



The researchers analyzed samples of various tropical plant species to test for levels of heavy metals and metalloids. The study showed that there are existing plants with high levels of these contaminants, which means that these species are great candidates for drawing pollutants out of the soil.&nbsp;



Among the plants examined in the study, 12 species had accumulated several types of heavy metals and metalloids. These plants are widely available, including species that are native to Singapore.



“In a small nation like Singapore, land may be repurposed to support new development plans, so it is important that we have a green and sustainable way to remediate land that is contaminated," said Professor Lam Yeng Ming.



"We set out to uncover how to better make use of tropical plants to do phytoremediation and through advanced characterization techniques, we showed how some of these tropical plant species can be an environmentally friendly and literally a 'green' way to remove contaminants in soil."&nbsp;



"Phytoremediation also has benefits of cost effectiveness, simplicity of management, aesthetic advantages, and long-term applicability and sustainability. The strategy prevents erosion and metal leaching by stabilizing or accumulating heavy metals, so that helps reduce the risk of contaminant spread.”



Video Credit: NTU Singapore



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Plants help remove heavy metals from contaminated soil

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Today’s Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> describes why herbicides are not as effective in killing weeds anymore. In the 20th century, chemical companies developed thousands of herbicides. The most commonly used herbicide was glyphosate, which was introduced in 1974.



Over the past few decades, dozens of species of weeds have evolved resistance to glyphosate. Depending on the site of action, the part of the plant that an herbicide interacts with, weeds may even be resistant to herbicides that have not been developed yet.&nbsp;



With increasing resistance to glyphosate and other herbicides, weeds are - once again - becoming a major concern for farmers.&nbsp;



Video Credit: American Chemical Society&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Weeds are becoming increasingly resistant to herbicides

[sendtonews key="gRpsplpwpe-2251464-12187" type="single"] Today’s Video of the Day from the...

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Today’s Video of the Day from the <a href="https://www.jpl.nasa.gov/">NASA Jet Propulsion Laboratory</a> (JPL) describes a dust storm on Mars that was nearly twice the size of the United States. As the storm covered the southern hemisphere of the planet, some of NASA’s explorers had to delay their normal activities.



NASA’s Insight lander put itself in a "safe mode" for 11 days to conserve battery power because solar power was disrupted by the dust. The Ingenuity Mars Helicopter postponed flights until conditions improved.



"A fleet of NASA orbiters monitor Martian dust storms like this one and serve as lifelines to Earth by relaying data from the rovers and lander on the ground back to the team. This includes the Mars Reconnaissance Orbiter, MAVEN, and Odyssey," reports JPL.



"Dust storms like this recent one start close to the ground and are spread by wind as they rise – warming the cold Martian atmosphere."



The images in the video were captured by NASA’s Curiosity as the dust rolled in. A fleet of orbiters monitored the dust storm from above, relaying data from Mars’ explorers back to scientists on Earth.



Video &amp; Image Credit: NASA/JPL-Caltech/ASU/MSSS



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

NASA monitors giant dust storms on Mars

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Today's Video of the Day from the <a href="http://www.esa.int/">European Space Agency</a> features Qeshm Island in the Strait of Hormuz. This strait provides the only sea passage from the Persian Gulf to the open ocean.



Qeshm is separated from the Iranian coast by the Clarence Strait, also known as Khuran.&nbsp;The Hara Forest Protected Area is a network of shallow waterways and forest located between the island and the mainland. This protected region is home to sea turtles, snakes, and more than 150 species of migrating birds.



Qeshm is famous for its wide range of&nbsp;ecotourist&nbsp;attractions, such as the&nbsp;Hara marine forests. According to environmentalists, about 1.5 percent of the world birds and 25 percent of Iran's native <a href="https://www.earth.com/news/female-hummingbirds-avoid-sexual-harassment-by-looking-like-males/">birds</a> annually migrate to the forests, which are the first national geo park in Iran.



Tourists are also drawn to the island to see an age-old Portuguese&nbsp;fort, historic mosques, the&nbsp;Seyyed Mozaffar&nbsp;and&nbsp;Bibi Maryam&nbsp;shrines, and the "Valley of Stars."



The average temperature on the island is 81 degress and the region is often hot and humid. From June to August, the island is described as being oppressively hot. The ideal time to visit is during the winter season. 



Video Credit: ESA&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Qeshm Island in the Strait of Hormuz

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Inhambane Bay in southeast Mozambique.&nbsp;



"Inhambane Bay is a deep inlet into which the small Mutamba River flows," says ESA. "On one side of the bay lies the historical city of Inhambane, capital of the Inhambane Province, while the sister city of Maxixe, the economic capital of Inhambane, sits across from it. The province is the second largest grower of cashews, after Nampula, and it also produces coconut and citrus fruits."



The beaches of Barra and Tofo are popular with tourists. There are also coral reefs along the long coastline of Inhambane, making it an ideal destination for scuba diving and snorkeling.



"Mozambique’s extensive coastline heightens the country’s vulnerability to tropical cyclones that develop in the Indian Ocean as well as storm surge flooding," says ESA.



"More than half of the population lives in low lying coastal areas, putting communities at risk. Inhambane Bay was dangerously close to where Cyclone Idai made landfall in 2019 causing widespread destruction to the country."



Video/ Image Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Inhambane Bay in southeast Mozambique

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency </a>&nbsp;features the Kangerlussuaq Glacier, one of the largest tidewater outlet glaciers in Greenland. The glacier is located on the east coast of the Greenland ice sheet.



As human-induced climate change continues to drive up temperatures, global ice loss is accelerating at an alarming rate. ESA reports that, over the past decade alone, 3.5 trillion tons of ice have melted from the Greenland ice sheet. This is enough to cover the UK with meltwater 15 meters deep.



Based on satellite imagery, researchers determined that Kangerlussuaq entered a new phase of rapid retreat and acceleration in 2017. In their study, published in <a href="https://www.frontiersin.org/articles/10.3389/feart.2019.00123/full">Frontiers in Earth Science</a>,&nbsp; the experts report that the glacier's ice front is now at its most retreated position since the early 20th century.



"Given Kangerlussuaq’s previous impacts on both the magnitude and pattern of ice sheet wide mass loss, we predict that its new phase of retreat, acceleration and thinning will markedly enhance the south-east region’s contribution to increasing discharge from the ice sheet," wrote the study authors.&nbsp;&nbsp;



"More broadly, accurate forecasting of the ice sheet’s contribution to sea level rise will require a deeper understanding of, and responses to, these non-linear ice dynamic processes."



Video Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Kangerlussuaq Glacier on the Greenland ice sheet

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes the complex relationship between ocean and climate. ESA's Climate Change Initiative will help us understand how oceans influence the climate and how climate change is impacting the oceans.&nbsp;



"Earth’s oceans are huge heat stores, soaking up 93% of the excess heat from human activity over the past 70 years. Ocean currents redistribute heat around the planet, from the Equator to the poles. Where this ocean heat goes influences weather patterns and regional climate," explains ESA.



"As well as absorbing heat, oceans are a natural carbon sink, absorbing a quarter of carbon dioxide emissions from human activity. This has led to the acidification of ocean water, threating marine life."



The amount of heat and carbon dioxide soaked up by the ocean depends on specific variables, including phytoplankton, temperatures, waves, salinity, and ice cover. Satellites can be used to measure these variables from space.



"From their unique vantage point, satellites provide key information for understanding the complexities of our planet and monitoring environmental issues," says ESA.



Video Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Ocean heat influences regional climate

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes the importance of monitoring the shape of the sea surface, which is constantly changing. These observations have many applications, such as ship routing, <a href="https://www.earth.com/news/the-modem-ocean-is-a-tough-place-for-whales-to-survive/">ocean</a> current forecasting, and debris tracking.



"A project supported by the Discovery element of ESA’s Basic Activities recently investigated a new technique to measure sea surface topography very precisely," reports ESA.



"The technique involves looking at satellite navigation (GNSS) signals that have been reflected off of the sea surface at very low angles. At these so-called grazing angles, waves and surface roughness have very little impact on the reflection process; the sea surface acts as a very smooth mirror."



Estel Cardellach is the principal investigator at the Institute for Space Studies of Catalonia, who first submitted the idea for the project.



“In a mirror-like reflection the phase of the signal can be tracked – it is continuous," said Cardellach. "Different surface heights result in different phase measurements. It gives a very precise measurement of the surface altitude at a few centimetres’ precision.”



The researchers developed a GNSS receiver and set up an experiment in the Balaeric Islands to collect signals from the receiver that were reflected off the sea surface. Ultimately, these signals will provide improved measurements of the shape of the sea surface.



Image/ Video Credit: ESA



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By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Monitoring the dynamic shape of the sea surface

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